Comfort and convenience on the road are just some of the many things that the Replacement Window Regulator can bring to your 1998-1999 Mercedes E320. This is because the window regulator is a control component that is installed in your vehicle to raise and lower the window glasses. If you do not have this kind of controlling device in your auto interior, lowering your windows and getting enough fresh air to flow into your cabin can be a problem. And, it is for this reason that this particular component has become a standard part in most automobiles. It effectively allows you freedom to raise and lower the window glasses whenever you want to. The access to this specific control is given to the person seating close to the windows, though recent developments in technology has allowed the driver to have full control over all windows of the vehicle. No matter who controls it, one thing remains sure - that the M491716 Replacement Window Regulator is a functional part. A typical manual window regulator set up is composed of many components, including a worm gear, several spur gears, linkages, a mechanical plate, and a bar used to support the window glass. These parts all work together to raise and lower the window glasses. In the end, what this part delivers is convenience. And if you want it, replace your stock Mercedes E320 Window Regulator with the Replacement Window Regulator that you can get here.